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Square D QOB120DF - Molded Case 20A 1-Pole Bolt-On (10kA@120V)

Square D
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Square D QOB120DF is a 20A, 1-pole bolt-on molded case circuit breaker designed for overcurrent and dual-function AFCI/GFCI protection in residential and commercial power distribution. It operates at 120/240VAC with a 10kA interrupting capacity at 120V and features a thermal magnetic trip unit providing long time and instantaneous trip functions. The breaker measures 4.8 in (121 mm) x 0.7 in (19 mm) x 2.9 in (74 mm), weighs 0.25 lb, and uses a pressure plate terminal connection accepting AWG 14 to AWG 8 copper/aluminum or AWG 14 to AWG 10 copper wire. It is UL Listed and CSA certified for single-phase applications, with an operating temperature range of -13°F to 158°F (-25°C to 70°C) and a plug-on neutral design for streamlined installation. This unit is commonly used in QOB load centers and panelboards for branch circuit protection in lighting, appliance, and general-purpose circuits.

Key Features & Specifications
  • Type: QOB
  • Current Rating: 20A
  • Voltage Rating: 120/240VAC
  • Poles: 1
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • AIC rating: 10kA@120V
  • Phase: 1
  • Wire Size: AWG 14 to AWG 8 Copper/Aluminum, AWG 14 to AWG 10 Copper
  • Terminal Connection: Pressure Plate
  • Dimensions: 4.8 in (121 mm) x 0.7 in (19 mm) x 2.9 in (74 mm) (Height x Width x Depth)
  • Weight: 0.25 lb
  • Temp Rating: -13°F to 158°F (-25°C to 70°C)
  • Standards: CSA, UL Listed
  • Certification: UL Listed
  • Compatible Frames: QOB
  • Family: QOB Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901051251
  • GTIN: 00785901051251